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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. | ||
| // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. | ||
| // All Rights reserved. See files LICENSE and NOTICE for details. | ||
| // | ||
| // This file is part of CEED, a collection of benchmarks, miniapps, software | ||
| // libraries and APIs for efficient high-order finite element and spectral | ||
| // element discretizations for exascale applications. For more information and | ||
| // source code availability see http://github.com/ceed. | ||
| // | ||
| // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, | ||
| // a collaborative effort of two U.S. Department of Energy organizations (Office | ||
| // of Science and the National Nuclear Security Administration) responsible for | ||
| // the planning and preparation of a capable exascale ecosystem, including | ||
| // software, applications, hardware, advanced system engineering and early | ||
| // testbed platforms, in support of the nation's exascale computing imperative. | ||
|
|
||
| #include <ceed/ceed.h> | ||
| #include <ceed/backend.h> | ||
| #include <stdbool.h> | ||
| #include <string.h> | ||
| #include "ceed-sve.h" | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Backend Init | ||
| //------------------------------------------------------------------------------ | ||
| static int CeedInit_Sve(const char *resource, Ceed ceed) { | ||
| int ierr; | ||
| if (strcmp(resource, "/cpu/self") && strcmp(resource, "/cpu/self/sve") && | ||
| strcmp(resource, "/cpu/self/sve/blocked")) | ||
| // LCOV_EXCL_START | ||
| return CeedError(ceed, CEED_ERROR_BACKEND, | ||
| "SVE backend cannot use resource: %s", resource); | ||
| // LCOV_EXCL_STOP | ||
| ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr); | ||
|
|
||
| // Create reference CEED that implementation will be dispatched | ||
| // through unless overridden | ||
| Ceed ceed_ref; | ||
| CeedInit("/cpu/self/opt/blocked", &ceed_ref); | ||
| ierr = CeedSetDelegate(ceed, ceed_ref); CeedChkBackend(ierr); | ||
|
|
||
| if (CEED_SCALAR_TYPE == CEED_SCALAR_FP64) { | ||
| ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", | ||
| CeedTensorContractCreate_f64_Sve); | ||
| CeedChkBackend(ierr); | ||
| } else { | ||
| ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", | ||
| CeedTensorContractCreate_f32_Sve); | ||
| CeedChkBackend(ierr); | ||
| } | ||
|
|
||
| return CEED_ERROR_SUCCESS; | ||
| } | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Backend Register | ||
| //------------------------------------------------------------------------------ | ||
| CEED_INTERN int CeedRegister_Sve_Blocked(void) { | ||
| return CeedRegister("/cpu/self/sve/blocked", CeedInit_Sve, 30); | ||
| } | ||
| //------------------------------------------------------------------------------ |
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| // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. | ||
| // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. | ||
| // All Rights reserved. See files LICENSE and NOTICE for details. | ||
| // | ||
| // This file is part of CEED, a collection of benchmarks, miniapps, software | ||
| // libraries and APIs for efficient high-order finite element and spectral | ||
| // element discretizations for exascale applications. For more information and | ||
| // source code availability see http://github.com/ceed. | ||
| // | ||
| // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, | ||
| // a collaborative effort of two U.S. Department of Energy organizations (Office | ||
| // of Science and the National Nuclear Security Administration) responsible for | ||
| // the planning and preparation of a capable exascale ecosystem, including | ||
| // software, applications, hardware, advanced system engineering and early | ||
| // testbed platforms, in support of the nation's exascale computing imperative. | ||
|
|
||
| #include <ceed/ceed.h> | ||
| #include <ceed/backend.h> | ||
| #include <stdbool.h> | ||
| #include <string.h> | ||
| #include "ceed-sve.h" | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Backend Init | ||
| //------------------------------------------------------------------------------ | ||
| static int CeedInit_Sve(const char *resource, Ceed ceed) { | ||
| int ierr; | ||
| if (strcmp(resource, "/cpu/self") | ||
| && strcmp(resource, "/cpu/self/sve/serial")) | ||
| // LCOV_EXCL_START | ||
| return CeedError(ceed, CEED_ERROR_BACKEND, | ||
| "SVE backend cannot use resource: %s", resource); | ||
| // LCOV_EXCL_STOP | ||
| ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr); | ||
|
|
||
| // Create reference CEED that implementation will be dispatched | ||
| // through unless overridden | ||
| Ceed ceed_ref; | ||
| CeedInit("/cpu/self/opt/serial", &ceed_ref); | ||
| ierr = CeedSetDelegate(ceed, ceed_ref); CeedChkBackend(ierr); | ||
|
|
||
| if (CEED_SCALAR_TYPE == CEED_SCALAR_FP64) { | ||
| ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", | ||
| CeedTensorContractCreate_f64_Sve); | ||
| CeedChkBackend(ierr); | ||
| } else { | ||
| ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", | ||
| CeedTensorContractCreate_f32_Sve); | ||
| CeedChkBackend(ierr); | ||
| } | ||
|
|
||
| return CEED_ERROR_SUCCESS; | ||
| } | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Backend Register | ||
| //------------------------------------------------------------------------------ | ||
| CEED_INTERN int CeedRegister_Sve_Serial(void) { | ||
| return CeedRegister("/cpu/self/sve/serial", CeedInit_Sve, 35); | ||
| } | ||
| //------------------------------------------------------------------------------ |
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| // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. | ||
| // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. | ||
| // All Rights reserved. See files LICENSE and NOTICE for details. | ||
| // | ||
| // This file is part of CEED, a collection of benchmarks, miniapps, software | ||
| // libraries and APIs for efficient high-order finite element and spectral | ||
| // element discretizations for exascale applications. For more information and | ||
| // source code availability see http://github.com/ceed. | ||
| // | ||
| // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, | ||
| // a collaborative effort of two U.S. Department of Energy organizations (Office | ||
| // of Science and the National Nuclear Security Administration) responsible for | ||
| // the planning and preparation of a capable exascale ecosystem, including | ||
| // software, applications, hardware, advanced system engineering and early | ||
| // testbed platforms, in support of the nation's exascale computing imperative. | ||
|
|
||
| #include <ceed/ceed.h> | ||
| #include <ceed/backend.h> | ||
| #ifdef __ARM_FEATURE_SVE | ||
| #include <arm_sve.h> | ||
| #endif | ||
| #include <stdbool.h> | ||
| #include "ceed-sve.h" | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Blocked Tensor Contract | ||
| //------------------------------------------------------------------------------ | ||
| static inline int CeedTensorContract_Sve_Blocked(CeedTensorContract contract, | ||
| CeedInt A, CeedInt B, CeedInt C, CeedInt J, const float *restrict t, | ||
| CeedTransposeMode t_mode, const CeedInt add, const float *restrict u, | ||
| float *restrict v, const CeedInt JJ) { | ||
| CeedInt t_stride_0 = B, t_stride_1 = 1; | ||
| if (t_mode == CEED_TRANSPOSE) { | ||
| t_stride_0 = 1; t_stride_1 = J; | ||
| } | ||
|
|
||
| for (CeedInt a=0; a<A; a++) | ||
| for (CeedInt b=0; b<B; b++) | ||
| // Blocks of JJ rows | ||
| for (CeedInt j=0; j<(J/JJ)*JJ; j+=JJ) | ||
| for (CeedInt jj=0; jj<JJ; jj++) // unroll | ||
| // C vectorization by compiler | ||
| for (int32_t c=0; c<C; c+=svcntd()) { | ||
| svbool_t pg = svwhilelt_b32(c, C); | ||
| // Load u, v into vectors | ||
| svfloat32_t u_vec = svld1(pg, &u[(a*B+b)*C+c]); | ||
| svfloat32_t v_vec = svld1(pg, &v[(a*J+j+jj)*C+c]); | ||
| // Basis matrix value | ||
| float tq = t[(j+jj)*t_stride_0 + b*t_stride_1]; | ||
| // fmadd | ||
| svst1(pg, &v[(a*J+j+jj)*C+c], svmla_x(pg, v_vec, u_vec, tq)); | ||
| } | ||
|
|
||
| // Remainder of rows | ||
| CeedInt j=(J/JJ)*JJ; | ||
| if (j < J) | ||
| for (CeedInt a=0; a<A; a++) | ||
| for (CeedInt b=0; b<B; b++) | ||
| // Blocks of JJ rows | ||
| for (CeedInt jj=0; jj<J-j; jj++) // not unrolled | ||
| // C vectorization by compiler | ||
| for (int32_t c=0; c<C; c+=svcntd()) { | ||
| svbool_t pg = svwhilelt_b32(c, C); | ||
| // Load u, v into vectors | ||
| svfloat32_t u_vec = svld1(pg, &u[(a*B+b)*C+c]); | ||
| svfloat32_t v_vec = svld1(pg, &v[(a*J+j+jj)*C+c]); | ||
| // Basis matrix value | ||
| float tq = t[(j+jj)*t_stride_0 + b*t_stride_1]; | ||
| // fmadd | ||
| svst1(pg, &v[(a*J+j+jj)*C+c], svmla_x(pg, v_vec, u_vec, tq)); | ||
| } | ||
|
|
||
| return CEED_ERROR_SUCCESS; | ||
| } | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Blocked Tensor Contract | ||
| //------------------------------------------------------------------------------ | ||
| static inline int CeedTensorContract_Sve_Serial(CeedTensorContract contract, | ||
| CeedInt A, CeedInt B, CeedInt C, CeedInt J, const float *restrict t, | ||
| CeedTransposeMode t_mode, const CeedInt add, const float *restrict u, | ||
| float *restrict v, const CeedInt JJ) { | ||
| CeedInt t_stride_0 = B, t_stride_1 = 1; | ||
| if (t_mode == CEED_TRANSPOSE) { | ||
| t_stride_0 = 1; t_stride_1 = J; | ||
| } | ||
|
|
||
| for (CeedInt a=0; a<A; a++) | ||
| for (CeedInt b=0; b<B; b++) | ||
| for (CeedInt j=0; j<(J/JJ)*JJ; j+=JJ) | ||
| for (CeedInt jj=0; jj<JJ; jj++) // unroll | ||
| v[a*J+(j+jj)] += t[(j+jj)*t_stride_0 + b*t_stride_1] * u[a*B+b]; | ||
|
|
||
| CeedInt j=(J/JJ)*JJ; | ||
| if (j < J) | ||
| for (CeedInt a=0; a<A; a++) | ||
| for (CeedInt b=0; b<B; b++) | ||
| for (CeedInt jj=0; jj<J-j; jj++) // not unrolled | ||
| v[a*J+(j+jj)] += t[(j+jj)*t_stride_0 + b*t_stride_1] * u[a*B+b]; | ||
|
|
||
| return CEED_ERROR_SUCCESS; | ||
| } | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Tensor Contract - Common Sizes | ||
| //------------------------------------------------------------------------------ | ||
| static int CeedTensorContract_Sve_Blocked_8(CeedTensorContract contract, | ||
| CeedInt A, CeedInt B, CeedInt C, CeedInt J, const float *restrict t, | ||
| CeedTransposeMode t_mode, const CeedInt add, const float *restrict u, | ||
| float *restrict v) { | ||
| return CeedTensorContract_Sve_Blocked(contract, A, B, C, J, t, t_mode, add, u, | ||
| v, 8); | ||
| } | ||
| static int CeedTensorContract_Sve_Serial_8(CeedTensorContract contract, | ||
| CeedInt A, CeedInt B, CeedInt C, CeedInt J, const float *restrict t, | ||
| CeedTransposeMode t_mode, const CeedInt add, const float *restrict u, | ||
| float *restrict v) { | ||
| return CeedTensorContract_Sve_Serial(contract, A, B, C, J, t, t_mode, add, u, v, | ||
| 8); | ||
| } | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Tensor Contract Apply | ||
| //------------------------------------------------------------------------------ | ||
| static int CeedTensorContractApply_Sve(CeedTensorContract contract, CeedInt A, | ||
| CeedInt B, CeedInt C, CeedInt J, | ||
| const float *restrict t, | ||
| CeedTransposeMode t_mode, | ||
| const CeedInt add, | ||
| const float *restrict u, | ||
| float *restrict v) { | ||
| if (!add) | ||
| for (CeedInt q=0; q<A*J*C; q++) | ||
| v[q] = (float) 0.0; | ||
|
|
||
| if (C == 1) | ||
| CeedTensorContract_Sve_Serial_8(contract, A, B, C, J, t, t_mode, true, u, v); | ||
| else | ||
| CeedTensorContract_Sve_Blocked_8(contract, A, B, C, J, t, t_mode, true, u, v); | ||
|
|
||
| return CEED_ERROR_SUCCESS; | ||
| } | ||
|
|
||
| //------------------------------------------------------------------------------ | ||
| // Tensor Contract Create | ||
| //------------------------------------------------------------------------------ | ||
| int CeedTensorContractCreate_f32_Sve(CeedBasis basis, | ||
| CeedTensorContract contract) { | ||
| int ierr; | ||
| Ceed ceed; | ||
| ierr = CeedTensorContractGetCeed(contract, &ceed); CeedChkBackend(ierr); | ||
|
|
||
| ierr = CeedSetBackendFunction(ceed, "TensorContract", contract, "Apply", | ||
| CeedTensorContractApply_Sve); CeedChkBackend(ierr); | ||
|
|
||
| return CEED_ERROR_SUCCESS; | ||
| } | ||
| //------------------------------------------------------------------------------ |
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